| 直喷柴油机燃烧过程三维模拟研究 |
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| 引用本文： | 梁昱,周立迎.直喷柴油机燃烧过程三维模拟研究[J].拖拉机与农用运输车,2009,36(2). |
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| 作者姓名： | 梁昱 周立迎 |
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| 作者单位： | 贵阳学院机电系,贵阳,550005 |
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| 基金项目： | 贵阳学院重点项目，贵州省教育厅自然科学研究项目 |
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| 摘 要： | 建立了直喷柴油机燃烧过程的三维燃烧模型,通过与试验数据的对比,验证了模型的可行性。并通过模型分析了直喷柴油机燃烧过程中缸内的流场、喷油颗粒与燃油组分、压力、温度、NOx及O2浓度的分布,较详细的得出缸内各参数随时间和空间的分布变化规律。
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| 关 键 词： | 柴油机 三维燃烧模拟 流场分布 温度分布 |
Three-dimension Combustion Simulation of DI Diesel Engine |
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| HANG Yu,ZHOU Li-ying.Three-dimension Combustion Simulation of DI Diesel Engine[J].Tractor & Farm Transporter,2009,36(2). |
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| Authors: | HANG Yu ZHOU Li-ying |
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| Abstract: | A three dimension combustion model of direct injection diesel engine has been established.The simulated characteristics of combustion pressure and NOx emissions are fit with experimental ones.The flow velocity vector,diesel fuel droplets,diesel vaporization,pressure field,temperature field,mass concentrations of NOx and O2 in the combustion process of diesel engine are analyzed. |
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| Keywords: | Diesel engine Three-dimension combustion simulation Flow velocity distribution Temperature distribution |
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